<template>
  <view class="tui-loadmore" v-if="visible">
    <view
      :class="[
        'tui-loading-' + index,
        index == 3 && type ? 'tui-loading-' + type : ''
      ]"
    ></view>
    <view class="tui-loadmore-tips">{{ text }}</view>
  </view>
</template>

<script>
export default {
  name: "tuiLoadmore",
  props: {
    //显示文本
    text: {
      type: String,
      default: "正在加载..."
    },
    //是否可见
    visible: {
      type: Boolean,
      default: false
    },
    //loading 样式 ：1,2,3
    index: {
      type: Number,
      default: 1
    },
    //颜色设置，只有index=3时生效：primary，blue, red，orange，green
    type: {
      type: String,
      default: ""
    }
  }
};
</script>

<style>
.tui-loadmore {
  width: 48%;
  margin: 1.5em auto;
  line-height: 1.5em;
  font-size: 24upx;
  text-align: center;
}

.tui-loading-1 {
  margin: 0 5px;
  width: 20px;
  height: 20px;
  display: inline-block;
  vertical-align: middle;
  -webkit-animation: a 1s steps(12) infinite;
  animation: a 1s steps(12) infinite;
  background: transparent
    url()
    no-repeat;
  background-size: 100%;
}

@-webkit-keyframes a {
  0% {
    -webkit-transform: rotate(0deg);
    transform: rotate(0deg);
  }

  to {
    -webkit-transform: rotate(1turn);
    transform: rotate(1turn);
  }
}

@keyframes a {
  0% {
    -webkit-transform: rotate(0deg);
    transform: rotate(0deg);
  }

  to {
    -webkit-transform: rotate(1turn);
    transform: rotate(1turn);
  }
}

.tui-loadmore-tips {
  display: inline-block;
  vertical-align: middle;
}

.tui-loading-2 {
  width: 28upx;
  height: 28upx;
  border: 1px solid #8f8d8e;
  border-radius: 50%;
  margin: 0 6px;
  display: inline-block;
  vertical-align: middle;
  clip-path: polygon(0% 0%, 100% 0%, 100% 30%, 0% 30%);
  animation: rotate 1s linear infinite;
}

@-webkit-keyframes rotate {
  from {
    transform: rotatez(0deg);
  }

  to {
    transform: rotatez(360deg);
  }
}

@keyframes rotate {
  from {
    transform: rotatez(0deg);
  }

  to {
    transform: rotatez(360deg);
  }
}

.tui-loading-3 {
  display: inline-block;
  margin: 0 6px;
  vertical-align: middle;
  width: 28upx;
  height: 28upx;
  background: 0 0;
  border-radius: 50%;
  border: 2px solid;
  border-color: #e5e5e5 #e5e5e5 #e5e5e5 #8f8d8e;
  animation: tui-rotate 0.7s linear infinite;
}

.tui-loading-3.tui-loading-primary {
  border-color: #e5e5e5 #e5e5e5 #e5e5e5 #66cccc;
}

.tui-loading-3.tui-loading-blue {
  border-color: #e5e5e5 #e5e5e5 #e5e5e5 #5677fc;
}

.tui-loading-3.tui-loading-green {
  border-color: #e5e5e5 #e5e5e5 #e5e5e5 #19be6b;
}

.tui-loading-3.tui-loading-orange {
  border-color: #e5e5e5 #e5e5e5 #e5e5e5 #ff7900;
}

.tui-loading-3.tui-loading-red {
  border-color: #ededed #ededed #ededed #ed3f14;
}

@-webkit-keyframes tui-rotate {
  0% {
    transform: rotate(0);
  }

  100% {
    transform: rotate(360deg);
  }
}

@keyframes tui-rotate {
  0% {
    transform: rotate(0);
  }

  100% {
    transform: rotate(360deg);
  }
}
</style>
